One-Year Follow-Up After Single Procedure Cryoballoon Ablation: A Comparison Between the First and Second Generation Balloon

被引:134
作者
Di Giovanni, Giacomo [1 ]
Wauters, Kristel [1 ]
Chierchia, Gian-Battista [1 ]
Sieira, Juan [1 ]
Levinstein, Moises [1 ]
Conte, Giulio [1 ]
De Asmundis, Carlo [1 ]
Baltogiannis, Giannis [1 ]
Saitoh, Yukio [1 ]
Ciconte, Giuseppe [1 ]
Julia, Justo [1 ]
Mugnai, Giacomo [1 ]
Irfan, Ghazala [1 ]
Brugada, Pedro [1 ]
机构
[1] Vrije Univ Brussel, Univ Ziekenhuis Brussel, Heart Rhythm Management Ctr, B-1090 Brussels, Belgium
关键词
atrial fibrillation; catheter ablation; cryoballoon; phrenic nerve; pulmonary vein isolation; PULMONARY VEIN ISOLATION; PAROXYSMAL ATRIAL-FIBRILLATION; MAPPING CATHETER; RECURRENCE; EFFICACY;
D O I
10.1111/jce.12409
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
A Comparison Between the First and Second Generation Balloon. Background: With respect to the first generation Cryoballoon (CB), the second generation (Cryoballoon Advance [ CB-A], Medtronic, Minneapolis, MN, USA) was designed with technical modifications resulting in a larger and more uniform zone of freezing on the balloon's surface aiming at procedural outcome improvement in the setting of atrial fibrillation (AF) ablation. However, a comparison between both technologies on a midterm follow-up is missing in today's literature. Methods: A total of 100 patients (the last 50 patients with the first generation CB and the first 50 patients with the second generation CB-A upon its inception in our center) having undergone a single CB ablation for paroxysmal AF (PAF) and having completed a 12-month follow-up, were consecutively included in our study. Freedom from AF off-antiarrhythmic drugs (AADs) after a single procedure was 78% (39/50) in CB-A and 58% (29/50) in the CB group (P = 0.03) during the whole follow-up duration. Considering a blanking period of 3 months, freedom from AF off-AAD was achieved in 84% (42/50) in CB-A, while 66% (33/50) were free from recurrence in the CB group (P = 0.038). Right phrenic nerve palsy (PNP) occurred in 8 patients (16%) in CB-A group and in 4 patients (8%) in the CB group. Conclusion: Freedom from AF on 12 months follow-up was significantly higher in the CB-A group with respect to the first generation device. The most frequent complication observed was PNP.
引用
收藏
页码:834 / 839
页数:6
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